JK MOUTHPIECES
TRUMPET              
Bore: 3.7 mm
Exclusive   Very       very Extremely Ultra
  Rim (mm) Cup (mm) Deep Deep Medium Shallow Shallow Shallow Shallow
1 28.0 17.6 1A 1B 1C 1D 1E 1F  
2 27.8 17.4 2A 2B 2C 2D 2E 2F  
3 27.6 17.2 3A 3B 3C 3D 3E 3F  
4 27.4 17.0 4A 4B 4C 4D 4E 4F 4G
5 27.2 16.8 5A 5B 5C 5D 5E 5F 5G
5W 29.0 16.8 5A-W 5B-W 5C-W 5D-W 5E-W 5F-W 5G-W
6 27.3 16.6 6A 6B 6C 6D 6E 6F 6G
6W 28.8 16.6 6A-W 6B-W 6C-W 6D-W 6E-W 6F-W 6G-W
7 27.1 16.5 7A 7B 7C 7D 7E 7F 7G
8 26.9 16.4 8A 8B 8C 8D 8E 8F 8G
8W 28.4 16.4 8A-W 8B-W 8C-W 8D-W 8E-W 8F-W 8G-W
9 27.0 16.2 9A 9B 9C 9D 9E 9F 9G
10 27.2 16.0 10A 10B 10C 10D 10E 10F 10G
10W 30.0 16.0 10A-W 10B-W 10C-W 10D-W 10E-W 10F-W 10G-W
TRUMPET PICCOLO Big Band Trumpet  
Bore: 3.8 mm Bore:3.6 mm
very Extremely Ultra   Very Extr. Ultra
Shallow Shallow Shallow Swallow Shallow Shallow Shallow
3EP 3FP 3GP 3DB 3EB 3FB 3GB
4EP 4FP 4GP 4DB 4EB 4FB 4GB
5EP 5FP 5GP 5DB 5EB 5FB 5GB
5E-WP 5F-WP 5G-WP 5DWB 5EWB 5FWB 5GWB
6EP 6FP 6GP 6DB 6EB 6FB 6GB
7EP 7FP 7GP 6DWB 6EWB 6FWB 6GWB
8EP 8FP 8GP 7BD 7EB 7FB 7GB
8E-WP 8F-WP 8G-WP 8DB 8EB 8FB 8GB
9EP 9FP 9GP 8DWB 8EWB 8FWB 8GWB
10EP 10FP 10GP 9DB 9EB 9FB 9GB
10EWP 10FWP 1-GWP 10BD 10EB 10FB 10GB
10DWB 10EWB 10FWB 10GWB